Hey guys I’m thinking of removing my sand bed because of high nitrate I do have a 120 display and with sun it’s a total of 150 water volume and can’t seem to get it down I tried everything I even have a refugeum and phosphate are are 0.001 I really don’t understand I did plenty of water changes changed out all dilation on my rodi would you think this will help I’m also running a bio pellet reactor also Cheto stop growing even before I put on the bio pellet